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  #1  
Old 03-17-2005, 11:45 AM
cpelsy2k1
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size of tranny cooler?

hey guys?

im looking at buying a transmission cooler for my car, i was wondering what size tranny cooler do you use? thanks
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  #2  
Old 03-17-2005, 04:11 PM
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Most are using either the B&M 70255 or 70286. I also have a perma cool 12511 with electric fan installed in the fender.
Basically - get the biggest one you can fit in there.
Do a search for tranny cooler and you will find many threads on them.
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  #3  
Old 03-17-2005, 09:42 PM
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Using a flex a lite cooler here....26,000 GVW....i think the part number is FLX-4126 from sumit racing
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  #4  
Old 03-18-2005, 02:23 AM
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The larger the cooler the better.(adding a fan is a plus)
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  #5  
Old 03-18-2005, 03:43 AM
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Anyone running a digital readout temp gauge?
I saw a nice one in Summit racing's catalog, but not sure it will mount to the perma cool filter unit.
Normally people are using mechanical needle gauges right
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  #6  
Old 03-18-2005, 12:32 PM
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I used to run one from Dakota Digital. It fit ok in the coin holder location and someone put it in their ashtray.
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  #7  
Old 03-18-2005, 06:57 PM
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I'm getting a 15,000lb GVW tranny cooler this weekend to put in series with the factory one in the radiator. I'm sure these two coolers will be more than sufficient to keep my ATF temps nice and cool even on a hot summer day!

I plan on installing this new cooler at the same time I put in the 4.444 '97 Legacy 4EAT.

-Chike
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  #8  
Old 03-18-2005, 07:38 PM
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Chike you should also look into getting a temp gauge for the tranny too. Someone reported their temps reaching the 200's even with a cooler . The only other person who had my cooler in their SVX had a gauge and never reported temps over 180. What is the normal temps for tranny's?
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  #9  
Old 03-19-2005, 06:23 AM
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I have 2 coolers and still I could bury the needle on the temp guage if I wanted to. It all depends on what road conditions you are driving.
Take a trip through the dragon or climb a steep mountain at 30mph and you are going to heat up the tranny. As long as the torque converter is unlocked you are building heat. The only time I can watch the temp drop is cold weather, stopped at a stoplight, or torque converter locked in steady driving.
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  #10  
Old 03-19-2005, 07:56 AM
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Quote:
Originally Posted by soobiesvx93
Chike you should also look into getting a temp gauge for the tranny too. Someone reported their temps reaching the 200's even with a cooler . The only other person who had my cooler in their SVX had a gauge and never reported temps over 180. What is the normal temps for tranny's?
Tom,

I may look into getting a temp guage if I ever do race track driving. Lee reported having tranny temps ~10* cooler when he switched from the stock 3.55's to 4.11 gears. I'm switching to even shorter 4.44's now. These short gears, coupled with two tranny coolers in series (factory & 15,000lb GVW) should be more than adequate to keep my trans cool in most driving situations.

I also plan to change the internal filter inside of my new trans at the time of installation. This way, I'll know everything is in tip-top shape!

-Chike
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  #11  
Old 03-19-2005, 11:09 AM
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Last time my car was in a group drive with some WRX, STI, GC8, 350Z and others. The Trany temp was over 220 it was about 70 out that day. The driving was hills and corners at higher then normal speeds .

I was running
smallcar shift kit.
B&M cooler 16,000 gvw
Permacool filter
auto meter temp guage
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  #12  
Old 03-19-2005, 11:18 AM
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Wow over 220 and running a cooler and filter? Something had to be wrong...the person who ran my cooler in series in his SVX used to drive it hard all the time and his temps never went above 180.
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  #13  
Old 03-19-2005, 01:49 PM
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Quote:
Originally Posted by soobiesvx93
Wow over 220 and running a cooler and filter? Something had to be wrong...the person who ran my cooler in series in his SVX used to drive it hard all the time and his temps never went above 180.
Driving hard and driving in twisties/hill climbing are 2 different things.
Dragracing isn't actually that bad for the tranny temp. Onbe quick shot and its over with.
Constant use of lower gears under load is about the worst - like what you would encounter on a very long autocross course or climbing a mountain at 30mph.

If an svx was driven under these conditions and the temp gauge didn't pass 180 I would guess that the gauge was installed after the coolers instead of before.
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92 Ebony LS-L. ecutune stage1v4, motorsport 1pc pulley. Garage Queen - sold to Dad in upstate NY 155,000 miles
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  #14  
Old 03-19-2005, 01:58 PM
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Quote:
Originally Posted by immortal_suby
Driving hard and driving in twisties/hill climbing are 2 different things.
Dragracing isn't actually that bad for the tranny temp. Onbe quick shot and its over with.
Constant use of lower gears under load is about the worst - like what you would encounter on a very long autocross course or climbing a mountain at 30mph.

If an svx was driven under these conditions and the temp gauge didn't pass 180 I would guess that the gauge was installed after the coolers instead of before.

Yea thats what i was talking about...after the cooler was installed. Oh trust me i believe the temps goign over 200 without a cooler.
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  #15  
Old 03-19-2005, 02:11 PM
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No, what I mean is the flow of tranny fluid was going into the coolers before it hit the tranny temp sensor. This would give a false low reading.
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92 Ebony LS-L ECUtune Stage2av1, Z32 MAF, 370cc injectors, TomsSVX intake, BontragerWorks 22mm RSB #003, HID Hi and Lo beams, OT endlink and bushing mods, PWR Aluminum radiator, Harvey's QC shift kit, 2.5" flowmaster 80 exhaust, 17" Michelin Pilot Sport A/S, Poly sway bar bushings, Slotted Bradi rotors, AFBeefcake powdercoated calipers, 97 grill, and a huge set of air horns. 300,000 miles and counting
92 Ebony LS-L. ecutune stage1v4, motorsport 1pc pulley. Garage Queen - sold to Dad in upstate NY 155,000 miles
19 Subaru Ascent Premium - -Hers !.
89 DL 4x4 little red wagon - a.k.a. The immortal suby. 275k R.I.P.
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